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Search: id:A094400
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| A094400 |
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Odd n dividing Fibonacci(n)-1 but neither Fibonacci(n-1) nor Fibonacci(n+1). |
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+0
5
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| 7743, 27071, 54839, 72831, 217257, 388367, 417601, 575599, 670879, 691447, 701569, 809999, 850541, 881011
(list; graph; listen)
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OFFSET
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0,1
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MATHEMATICA
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Select[Range[50000], OddQ[ # ] && Mod[Fibonacci[ # ] - 1, # ] == 0 && ! Mod[Fibonacci[ # - 1], # ] == 0 && ! Mod[Fibonacci[ # + 1], # ] == 0 &]
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CROSSREFS
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Cf. A069106, A069107, A094394, A094401, A094402.
Sequence in context: A092004 A146960 A116239 this_sequence A116282 A052050 A116064
Adjacent sequences: A094397 A094398 A094399 this_sequence A094401 A094402 A094403
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KEYWORD
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nonn
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AUTHOR
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Eric S Rowland (erowland(AT)math.rutgers.edu), May 01 2004
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